rtl88au: add Realtek 88x2AU external driver module

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>

lfs/rtl8812au

@@ -0,0 +1,96 @@
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2007-2021  IPFire Team <info@ipfire.org>                      #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+###############################################################################
+# Definitions
+###############################################################################
+
+include Config
+
+VERSUFIX = ipfire$(KCFG)
+MODPATH = /lib/modules/$(KVER)-$(VERSUFIX)/extra/wlan
+
+VER        = 0b87ed921a8682856aed5a3e68344b0087f3c93c
+
+THISAPP    = rtl8812au-$(VER)
+DL_FILE    = $(THISAPP).tar.gz
+DL_FROM    = $(URL_IPFIRE)
+DIR_APP    = $(DIR_SRC)/$(THISAPP)
+TARGET     = $(DIR_INFO)/$(THISAPP)-kmod-$(KVER)-$(VERSUFIX)
+
+###############################################################################
+# Top-level Rules
+###############################################################################
+
+objects = $(DL_FILE)
+
+$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
+
+$(DL_FILE)_MD5 = bb7a0c4a9c60ff1bcbaf1071feecf503
+
+install : $(TARGET)
+
+check : $(patsubst %,$(DIR_CHK)/%,$(objects))
+
+download :$(patsubst %,$(DIR_DL)/%,$(objects))
+
+md5 : $(subst %,%_MD5,$(objects))
+
+dist: 
+	$(PAK)
+
+###############################################################################
+# Downloading, checking, md5sum
+###############################################################################
+
+$(patsubst %,$(DIR_CHK)/%,$(objects)) :
+	@$(CHECK)
+
+$(patsubst %,$(DIR_DL)/%,$(objects)) :
+	@$(LOAD)
+
+$(subst %,%_MD5,$(objects)) :
+	@$(MD5)
+
+###############################################################################
+# Installation Details
+###############################################################################
+
+$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
+	@$(PREBUILD)
+	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
+	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/rtl8812au/enable_usbmodeswitch.patch
+	cd $(DIR_APP) && CONFIG_88XXAU=m make $(MAKETUNING) \
+		-C /lib/modules/$(KVER)-$(VERSUFIX)/build/ M=$(DIR_APP)/ modules
+
+	# Install the built kernel modules.
+	mkdir -p $(MODPATH)
+	cd $(DIR_APP) && for f in $$(ls *.ko); do \
+		/lib/modules/$$(uname -r)$(KCFG)/build/scripts/sign-file sha512 \
+			/lib/modules/$$(uname -r)$(KCFG)/build/certs/signing_key.pem \
+			/lib/modules/$$(uname -r)$(KCFG)/build/certs/signing_key.x509 \
+			$$f; \
+		xz $$f; \
+		install -m 644 $$f.xz $(MODPATH); \
+	done
+
+	@rm -rf $(DIR_APP)
+	@$(POSTBUILD)
+

make.sh

@@ -1197,6 +1197,7 @@ buildipfire() {
 	x86_64|i586|aarch64)
 		lfsmake2 linux			KCFG=""
 		lfsmake2 rtl8189es		KCFG=""
+		lfsmake2 rtl8812au		KCFG=""
 		lfsmake2 xtables-addons		KCFG=""
 		lfsmake2 linux-initrd		KCFG=""
 		;;
@@ -1204,6 +1205,7 @@ buildipfire() {
 		# arm multi platform (Panda, Wandboard ...) kernel build
 		lfsmake2 linux			KCFG="-multi"
 		lfsmake2 rtl8189es		KCFG="-multi"
+		lfsmake2 rtl8812au		KCFG="-multi"
 		lfsmake2 xradio			KCFG="-multi"
 		lfsmake2 xtables-addons		KCFG="-multi"
 		lfsmake2 linux-initrd		KCFG="-multi"

src/patches/rtl8812au/enable_usbmodeswitch.patch

@@ -0,0 +1,12 @@
+diff -Naur a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
+--- a/os_dep/linux/os_intfs.c	2021-05-21 22:58:44.000000000 +0200
++++ b/os_dep/linux/os_intfs.c	2021-05-28 13:41:27.362529583 +0200
+@@ -324,7 +324,7 @@
+ int rtw_single_ant_path; /*0:main ant , 1:aux ant , Fixed single antenna path, default main ant*/
+ 
+ /* 0: doesn't switch, 1: switch from usb2.0 to usb 3.0 2: switch from usb3.0 to usb 2.0 */
+-int rtw_switch_usb_mode = 0;
++int rtw_switch_usb_mode = 1;
+ 
+ #ifdef CONFIG_USB_AUTOSUSPEND
+ int rtw_enusbss = 1;/* 0:disable,1:enable */